package main

import (
	"context"
	"testing"

	"github.com/kami/maven/internal/router"
)

// TestCalendarStepsAsideForTheWorld — the defect (Vikunja #552). Weather was
// one instance of a wider class, and V-474 fixed only that instance. Every one
// of these answered "на 05.08.2026 ничего нет" on the deployed daemon, and
// every one of them has an answer in search, which sits below the calendar.
func TestCalendarStepsAsideForTheWorld(t *testing.T) {
	h, api := contQueryHandler()
	for _, u := range []string{
		"во сколько закат сегодня",
		"какой сегодня курс доллара",
		"какой сегодня праздник",
		"что интересного произошло сегодня в мире",
	} {
		if reply, ok := h.queryCalendar(context.Background(), &queryTurn{
			dec: router.Decision{Intent: router.IntentQuery, Utterance: u},
		}); ok {
			t.Errorf("the calendar claimed %q with %q", u, reply)
		}
	}
	if api.events != 0 {
		t.Errorf("CalendarEvents called %d times for world questions, want 0", api.events)
	}
}

// The other half of the same narrowing: a question about his own day still
// reaches the calendar, including the one that names no subject at all.
func TestCalendarStillAnswersHisDay(t *testing.T) {
	for _, u := range []string{
		"что у меня сегодня",
		"во сколько у меня встреча сегодня",
		"какие встречи завтра",
		"что в календаре на завтра",
		"что сегодня?",
	} {
		h, _ := contQueryHandler()
		if _, ok := h.queryCalendar(context.Background(), &queryTurn{
			dec: router.Decision{Intent: router.IntentQuery, Utterance: u},
		}); !ok {
			t.Errorf("the calendar passed on %q", u)
		}
	}
}

// A continuation carries its subject in the turn before it, and the calendar
// is the only date-aware source, so the narrowing must not reach it.
func TestCalendarStillAnswersAContinuation(t *testing.T) {
	h, _ := contQueryHandler()
	if _, ok := h.queryCalendar(context.Background(), &queryTurn{
		dec: router.Decision{Intent: router.IntentQuery, Utterance: "а завтра?", Continued: true},
	}); !ok {
		t.Error("the calendar passed on a continuation")
	}
}